More formal jade brand

Excuse me, do you want to ask the question "What are the more formal jade brands"? Jade brands include Beiyu, Yuyuan and Hehe Jade.

1, Beiyu: Beijing Jade Factory Co., Ltd., founded in 1958, is a national intangible cultural heritage project inheritor of "Beijing Jade Carving" craft.

2. Yuyuan Garden: Yangzhou Jade Factory Co., Ltd., founded in 1956, is one of the drafting units of the national standard GB/T 28802-20 12 "General Technical Requirements for Jade Carvings".

3. Hehe Jade: Xinjiang Hehe Jewelry Jade Co., Ltd., founded in 1996, has won more than 50 international and domestic awards for its products.